500 Serp ignition timing?
Discussion
Hi, I thought I heard some pinking at Millbrook this weekend and so have checked the timing with a strobe. it was set at about 9 degree BTDC. The bible says 4 degrees on unleaded, so I have set it at that and all seems well.
But as a check I did a search and there is lots of reference 8 to 12 degrees BTDC.
What should the setting be for a standard 500 Serp?
Thanks for your help!
But as a check I did a search and there is lots of reference 8 to 12 degrees BTDC.
What should the setting be for a standard 500 Serp?
Thanks for your help!
TractionJim said:
Hi, I thought I heard some pinking at Millbrook this weekend and so have checked the timing with a strobe. it was set at about 9 degree BTDC. The bible says 4 degrees on unleaded, so I have set it at that and all seems well.
But as a check I did a search and there is lots of reference 8 to 12 degrees BTDC.
What should the setting be for a standard 500 Serp?
Thanks for your help!
Did you disconect the vacuum while checking the timming?But as a check I did a search and there is lots of reference 8 to 12 degrees BTDC.
What should the setting be for a standard 500 Serp?
Thanks for your help!
Normal 8 before BTDC at idle
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